Dockside Extortionist, Hellkite Charger, and Blade of Selves

Prerequisites

• Dockside Extortionist on the battlefield
• Hellkite Charger on the battlefield
• Blade of Selves on the battlefield

Steps

1. Declare Dockside Extortionist and Hellkite Charger as attackers, triggering Hellkite Charger and Dockside Extortionist's myriad ability
2. Resolve the Dockside Extortionist trigger, creating at least one token copy of Dockside Extortionist that is tapped and attacking
3. When the Dockside Extortionist token(s) enter the battlefield, they trigger, creating at least seven Treasure tokens
4. Activate seven Treasure tokens by tapping and sacrificing them, adding
5. Resolve the Hellkite Charger trigger from step 1, causing you to pay to untap all attacking creatures you control and to get an additional combat phase after this one
6. Repeat each combat phase

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite colored mana
• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite Treasure tokens